[PATCH v2 04/17] input: locomokbd: provide an Alt-SysRQ combination
From: Dmitry Eremin-Solenikov <hidden>
Date: 2015-04-27 23:55:41
Also in:
alsa-devel, linux-arm-kernel, linux-gpio, linux-i2c, linux-input, linux-leds, linux-spi
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
It is usefull sometimes to have an Alt-SysRQ combo on the keyboard to be able to trigger sysrq functions directly. Add an option providing sysrq mapping for Contact-Home keys. Signed-off-by: Dmitry Eremin-Solenikov <redacted> --- drivers/input/keyboard/Kconfig | 7 +++++++ drivers/input/keyboard/locomokbd.c | 14 +++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 0a3d875..eb8b11b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig@@ -343,6 +343,13 @@ config KEYBOARD_LOCOMO To compile this driver as a module, choose M here: the module will be called locomokbd. +config KEYBOARD_LOCOMO_SYSRQ + bool "Provide SysRQ key on LoCoMo keyboard" + depends on KEYBOARD_LOCOMO + help + Say Y here to be able to use Contact-Home as Alt-Sysrq combo. + Say N if you want to use them as usual keys. + config KEYBOARD_LPC32XX tristate "LPC32XX matrix key scanner support" depends on ARCH_LPC32XX && OF
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
index eed0a94..eb8dbe2 100644
--- a/drivers/input/keyboard/locomokbd.c
+++ b/drivers/input/keyboard/locomokbd.c@@ -40,6 +40,14 @@ #define KEY_CONTACT KEY_F18 #define KEY_CENTER KEY_F15 +#ifdef CONFIG_KEYBOARD_LOCOMOKBD_SYSRQ +#define LOCOMO_KEY_CONTACT KEY_LEFTALT +#define LOCOMO_KEY_HOME KEY_SYSRQ +#else +#define LOCOMO_KEY_CONTACT KEY_CONTACT +#define LOCOMO_KEY_HOME KEY_HOME +#endif + #define KB_ROWS 16 #define KB_COLS 8 #define LOCOMOKBD_NUMKEYS (KB_ROWS * KB_COLS)
@@ -48,7 +56,7 @@ static const unsigned char locomokbd_keycode[LOCOMOKBD_NUMKEYS] = { 0, KEY_ESC, KEY_ACTIVITY, 0, 0, 0, 0, 0, 0, 0, /* 0 - 9 */ - 0, 0, 0, 0, 0, 0, 0, KEY_MENU, 0, KEY_CONTACT, /* 10 - 19 */ + 0, 0, 0, 0, 0, 0, 0, KEY_MENU, 0, LOCOMO_KEY_CONTACT, /* 10 - 19 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 29 */ 0, 0, 0, KEY_CENTER, 0, KEY_MAIL, 0, 0, 0, 0, /* 30 - 39 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RIGHT, /* 40 - 49 */
@@ -280,9 +288,9 @@ static int locomokbd_probe(struct platform_device *dev) sizeof(locomokbd->keycode)); if (machine_is_collie()) - locomokbd->keycode[18] = KEY_HOME; + locomokbd->keycode[18] = LOCOMO_KEY_HOME; else - locomokbd->keycode[3] = KEY_HOME; + locomokbd->keycode[3] = LOCOMO_KEY_HOME; for (i = 0; i < LOCOMOKBD_NUMKEYS; i++) input_set_capability(input_dev, EV_KEY, locomokbd->keycode[i]);
--
2.1.4